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ClinicalTrials.gov public records Last synced Oct 13, 2026, 9:15 PM EDT

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Showing 169–192 of 373 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Idiopathic Pulmonary Arterial Hypertension Clear all
Completed Phase 4 Interventional Results available

A Clinical Trial of Ambrisentan and Tadalafil in Pulmonary Arterial Hypertension Associated With Systemic Sclerosis

NCT01042158
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Systemic Sclerosis, Scleroderma Spectrum of Diseases, Connective Tissue Disease, Pulmonary Hypertension
Interventions
tadalafil and ambrisentan upfront combination therapy
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Oct 13, 2026, 9:15 PM EDT
Completed No phase listed Observational

OPsumit USers Registry

NCT02126943
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Opsumit (macitentan)
Drug
Lead sponsor
Actelion
Industry
Eligibility
Not listed
Enrollment
2,686 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
144
States / cities
Mobile, Alabama • Phoenix, Arizona • Fullerton, California + 117 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 13, 2026, 9:15 PM EDT
Completed No phase listed Observational

Study Of Right Ventricular Performance In PAH Patients Treated With Rapid Dose Treprostinil (Remodulin)

NCT02074449
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Oct 13, 2026, 9:15 PM EDT
Completed Phase 3 Interventional Results available

Ranolazine and Pulmonary Hypertension

NCT01174173
View directory record Official record
Conditions
Angina, Pulmonary Arterial Hypertension
Interventions
Ranolazine
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2018 · Synced Oct 13, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

A Study of Rodatristat Ethyl in Patients With Pulmonary Arterial Hypertension (Core OLE)

NCT04712669
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
rodatristat ethyl 300 mg tablet BID, rodatristat ethyl 600 mg BID, Placebo
Drug
Lead sponsor
Altavant Sciences GmbH
Industry
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
28
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 13, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

Addition of UT-15C SR to Pulmonary Arterial Hypertension Patients Currently Receiving Tyvaso®

NCT01477333
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
UT-15C SR, Tyvaso Inhalation Solution
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
6
States / cities
Birmingham, Alabama • Rochester, Minnesota • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2023 · Synced Oct 13, 2026, 9:15 PM EDT
Recruiting Phase 2 Interventional

Empagliflozin to Improve Right Ventricular Function in Pulmonary Arterial Hypertension

NCT06992440
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Empagliflozin 10 MG, Placebo
Drug
Lead sponsor
Gustavo A Heresi, MD, MS
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
3
States / cities
Baltimore, Maryland • Cleveland, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 13, 2026, 9:15 PM EDT
Terminated Phase 4 Interventional Results available

Rapid Switch From Flolan to Remodulin in the Outpatient Clinic

NCT00643604
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 3, 2024 · Synced Oct 13, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Fluoxetine in Pulmonary Arterial Hypertension (PAH) Trial

NCT03638908
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Fluoxetine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
16 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 26, 2020 · Synced Oct 13, 2026, 9:15 PM EDT
Completed Phase 1Phase 2 Interventional

Feasibility of Slow-paced Respiration Therapy for Treatment of a Symptom Cluster in Pulmonary Arterial Hypertension

NCT02080533
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Slow-paced respiration therapy
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 31, 2016 · Synced Oct 13, 2026, 9:15 PM EDT
Completed No phase listed Observational

HRV as a Marker of Treatment Response in PAH Arterial Hypertension

NCT04451850
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Noninvasive actigraphy monitor
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 13, 2026, 9:15 PM EDT
Terminated No phase listed Observational

Evaluate Real-World Use of Next Generation Infusion Pumps to Administer Remodulin

NCT05060315
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Remunity Pump for Remodulin
Combination Product
Lead sponsor
United Therapeutics
Industry
Eligibility
22 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Morrisville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Oct 13, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Fluoxetine in Pulmonary Arterial Hypertension

NCT00942708
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Fluoxetine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
16 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 2, 2020 · Synced Oct 13, 2026, 9:15 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

PET Image in PAH Patients

NCT05452889
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
18F-FGLN PET Imaging, (18F)FPGLU
Diagnostic Test · Drug
Lead sponsor
Stephen Y. Chan
Other
Eligibility
18 Years to 75 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 13, 2026, 9:15 PM EDT
Active, not recruiting Not applicable Interventional

Pulmonary Arterial Hypertension Improvement With Nutrition and Exercise (PHINE)

NCT03288025
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Insulin Resistance
Interventions
Nutrition and Exercise
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 13, 2026, 9:15 PM EDT
Withdrawn Phase 2 Interventional

Safety and Efficacy of Inhaled Iloprost in Pediatric Patients With Pulmonary Arterial Hypertension

NCT00453414
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Iloprost Inhalation Solution (Ventavis)
Drug
Lead sponsor
Actelion
Industry
Eligibility
3 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
2
States / cities
Denver, Colorado • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 15, 2010 · Synced Oct 13, 2026, 9:15 PM EDT
Terminated Phase 2 Interventional Results available

Beta-blockers in Pulmonary Arterial Hypertension

NCT02507011
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Carvedilol, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Oct 13, 2026, 9:15 PM EDT
Active, not recruiting Phase 2 Interventional

A Clinical Study of Sotatercept (MK-7962) in People With Pulmonary Arterial Hypertension (MK-7962-031/LIGHTRAY EXTENSION)

NCT06925750
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sotatercept, Background PAH Therapy
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
Aurora, Colorado • Kansas City, Kansas • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Dec 5, 2025 · Synced Oct 13, 2026, 9:15 PM EDT
Completed Phase 3 Interventional Results available

Sildenafil Trial of Exercise Performance in Idiopathic Pulmonary Fibrosis

NCT00517933
View directory record Official record
Conditions
Pulmonary Fibrosis, Hypertension, Pulmonary
Interventions
Sildenafil Citrate, Placebo
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
13
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2015 · Synced Oct 13, 2026, 9:15 PM EDT
Active, not recruiting Phase 3 Interventional

Extension Study for Participants in LIQ861 Trials to Evaluate the Long-term Safety of Dry Powder Inhalation of Treprostinil

NCT03992755
View directory record Official record
Conditions
Primary Pulmonary Hypertension
Interventions
LIQ861 Inhaled Treprostinil
Drug
Lead sponsor
Liquidia Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
25
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Oct 13, 2026, 9:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Right Ventricular Metabolism in Pulmonary Arterial Hypertension

NCT02763735
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Healthy
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Oct 13, 2026, 9:15 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About the Study Medicine Called PF-07868489 in Healthy Adult People and in People With Pulmonary Arterial Hypertension

NCT06137742
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
PF-07868489, Placebo for PF-07868489
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
16
States / cities
Anaheim, California • Costa Mesa, California • Orange, California + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 13, 2026, 9:15 PM EDT
Completed No phase listed Observational

Correlation OF Hemodynamics in Pulmonary Hypertension With Perfusion Lung Scans

NCT00621075
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Pulmonary Arterial Hypertension - Lung Perfusion Scans
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2010 · Synced Oct 13, 2026, 9:15 PM EDT
Completed Phase 1 Interventional Results available

Open-label, Clinical Study to Evaluate the Safety and Tolerability of TreT in Subjects With PAH Currently Using Tyvaso

NCT03950739
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil Inhalation Powder
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2024 · Synced Oct 13, 2026, 9:15 PM EDT